UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCGzaXP411r6jeIb9+gy+nNaeaFqXTj6QrWrHteYkz8=' 
WHERE 
  key_id = '850432932d442bddcf281097d69d1fc3543683757e1459e474c260a8e7d337e8' 
  AND (
    token = 'RCGzaXP411r6jeIb9+gy+nNaeaFqXTj6QrWrHteYkz8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )